#include <iostream>
using std::cout;
using std::endl;

template <class T1 = int,class T2 = int,int kBase = 10>
T1 multiply(T2 t1, T2 t2){
	return t1 * t2 * kBase;
}

void test0(){
    double a = 1.2, b = 1.2;
    cout << multiply(a,b) << endl;
    cout << multiply<int>(a,b) << endl;
}

int main(void){
    test0();
    return 0;
}
